The Sigma USB Dock lets photographers to connect their SIGMA Art, Contemporary, or Sports lens to a computer, and update the lens firmware and adjust focus position and other parameters. Exclusive SIGMA Optimization Pro software makes customization easy. It is possible to select the autofocus speed and adjust the focus limiter and Optical Stabilizer (OS) function. Updating the firmware can be done via the internet (internet connection required). Sigma Photo Pro is available for Mac and PC computers.

OS Function, AF Speed and Focus limiter are only adjustable with the lenses with a custom mode switch

**DN Lenses are not compatible with the USB dock currently.

Sigma Optimization Pro

SIGMA Optimization Pro is the dedicated software that enables you to connect lenses from new product lines to your computer via SIGMA USB Dock, and to customize the lens with operations such as firmware update and focus adjustment. On this page, you can download the installer program “SIGMA Optimization Pro 1.4.1 Windows version” as well as “SIGMA Optimization Pro 1.4.0 Macintosh version”. Please make sure you read information about the product before starting the download. To download the latest Sigma Optimization Pro software, please click the following link: